Which situation cannot be represented by this equation? 3x+4=19

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?